package org.ex;

/**
 * <p>Project: jse2303 - Db
 * <p>Powered by webrx On 2023-07-14 16:43:05
 * <p>描述：<p>
 *
 * @author webrx [webrx@126.com]
 * @version 1.0
 * @since 17
 */
public interface Db {
    void connect();

    int save();

    int delete();

    int query();

    int page();
}
